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<H2><B>set cthick</B></H2><P>
<code>set cthick <i>thckns</i></code><p>
Sets the line thickness for the contours given an integer in the range of
<code>1</code> to <code>20</code> representing relative line thicknesses.
Thickness of 6 or more will be thicker on the screen. Primarily used for
controlling hardcopy output. <p>
<H3>Usage Notes</H3><P>
<H3>Examples</H3><P>
